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Discussion Starter #1
Hi All,

In addition to the fuel pump chirping noise my 14 MDX just started to make a squeaky noise coming from behind the dash.

I suspect the noise to be coming from the AC fan somewhere behind the dash because if I turn the AC off when the noise is audible, I can hear the noise wind down until it stops. Also I don't hear the noise when AC is off.

I dropped off the car at the dealership for diagnostic but was told no noise was heard.

Wondering if anyone have similar issue and if they were able to get a fix on the issue.

Thank you.
 

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Wondering if anyone have similar issue and if they were able to get a fix on the issue

when i turn off the fan, whether or not ac is on, there is always a wind down squeky sound. I only hear it when shutting down, not when it is running at regular speed.
 

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Just found this old thread, and it is exactly what I'm hearing - anyone have success getting this fixed? I've tried once, but of course it didn't make the noise for the dealer. Trying again next week.
 

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Discussion Starter #4
Wondering if anyone have similar issue and if they were able to get a fix on the issue

when i turn off the fan, whether or not ac is on, there is always a wind down squeky sound. I only hear it when shutting down, not when it is running at regular speed.
I suggest making a recording of the wind down noise and show it to the dealer for diagnosis.

A good way to play the recorded noise is to use the Bluetooth feature in your car. This way the tech can get a good sample of it before they take the car in.

I did the same and the tech was able to hear the noise in the car. He replaced the blower under warranty. Noise gone. Good luck!
 

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Had this same issue with a 2011 BMW e90 (335i). Replaced the blower motor and took care of it. How difficult is it to replace on an MDX?
 

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There is another thread on here that is similar. It is likely the rear fan. When you hear it, try just turning off the rear HVAC. The reason you don't hear it all the time is that the rear fan typically does not run all the time. Pilots have a similar issue. I believe the fan is actually underneath where the shift lever is. I have not tried taking things apart.
 
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